Watson, W. (2004). Cactus Culture for Amateurs Being Descriptions of the Various Cactuses Grown in This Country, With Full and Practical Instructions for Their Successful Cultivation. Project Gutenberg.
Chicago Style (17th ed.) CitationWatson, William. Cactus Culture for Amateurs Being Descriptions of the Various Cactuses Grown in This Country, With Full and Practical Instructions for Their Successful Cultivation. Project Gutenberg, 2004.
MLA (9th ed.) CitationWatson, William. Cactus Culture for Amateurs Being Descriptions of the Various Cactuses Grown in This Country, With Full and Practical Instructions for Their Successful Cultivation. Project Gutenberg, 2004.
Warning: These citations may not always be 100% accurate.